Nick Savadian of Ecovacs Robotics demonstrates the company's new robotic window cleaning machine, and a veteran New York City window cleaner offers his thoughts. WSJ's Jackie Bischof reports.

This transcript has been automatically generated and may not be 100% accurate.

... I ... this quaint little machine is what makes it that the end of a cat Baxter politics peaceful free time in its from one of the jury areas to lose ... Wien canteen ... on the ... floor ... for ... the win what will be the top ... he's ... a nice line of products Chief robots that twenty dollars ... and it made its Redbox the win by seven new to the U S market these fish and getting off the ratings he said ... the only rule was in the world which will mean inside or outside when the regardless of weakness including from open windows ... operating between ... ten and ACC ... you can stand on automatic will control its menu the tikka of the day for stocks ... if it does miss the spot orders of St on there that needs to be re drawn and you can ... have a combined remote control controller to go over it ... finish each design also makes it easy to be in Seville ... said that the area says the win by seven as it did that for a city like he'll ... retaining when guys on high rise buildings could be dangerous ... we do all the safety features we have to go clean the outside ... we got to be in the chair the chances of winning liable if ... they defend the US New monumental skyscrapers in the Middle East and Asia has spent the development of wind anti Mimi Sheen's ... beating people wondering about the potential to replace him and Linda Tina's one day ... these lines ... that when you talk the wind at Kino with me all they Skyway wing containing has been in the wind that came as the since nineteen eighteen ... after the demonstration copy of this candid assessment ... I don't think it's can do very good job ... the news ... in the CU one was a very very ... from all the callers to whatever pollution ... try it with that little head that he had on hand ... that rank and dirty window ... you would probably ... take quite some time a new anti Japan ... coffee has seen it seems on the job ... the most important Windows such as the observation deck of the World Trade Center way he was swept ... always had to be done by hand he says technologies nice but as for when the cleaning ... I can see ... you know we were jumping going on this gap Foley getting pushed out ... you know going down the center building I can't see a robot ignoble things and after the dawn and ... drove up the industry are here to stay ... and I don't believe it's a challenge that is going to ... eliminate the position that it's going to enhance and improve our life starts ... the Wall Street gentle this is Jackie kids ...